>> l ^= bank->saved_datain;
>> l &= bank->non_wakeup_gpios;
>> - if (l) {
>> +
>> + /*
>> + * No need to generate IRQs for the rising edge for gpio IRQs
>> + * configured with falling edge only; and vice versa.
>> + */
>> + gen0 = l & bank->saved_fallingdetect;
>> + gen0 &= bank->saved_datain;
>> +
>> + gen1 = l & bank->saved_risingdetect;
>> + gen1 &= ~(bank->saved_datain);
>> +
> Is the gen0 &= correct or should it also clear the bits?
What do you mean, eg, what bits should be cleared?
gen0 = (bit has changed) and is falling_edge
gen0 &= (the bit has changed) is falling edge and former state was "HIGH"
(transition from HIGH to LOW has occurred)
for rising edge, needed is LOW to HIGH transition.
- Eero--
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